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TPS51916RUKT датащи(PDF) 7 Page - Texas Instruments |
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TPS51916RUKT датащи(HTML) 7 Page - Texas Instruments |
7 / 33 page 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 TPS51916 Thermal Pad VTTSNS VLDOIN VTT VTTGND VTTREF DRVL V5IN SW DRVH VBST TPS51916 www.ti.com SLUSAE1B – DECEMBER 2010 – REVISED AUGUST 2011 DEVICE INFORMATION RUK PACKAGE (TOP VIEW) PIN FUNCTIONS PIN I/O DESCRIPTION NAME NO. DRVH 14 O High-side MOSFET gate driver output. DRVL 11 O Low-side MOSFET gate driver output. GND 7 – Signal ground. MODE 19 I Connect resistor to GND to configure switching frequency, control mode and discharge mode. (See Table 2) PGND 10 – Gate driver power ground. RDS(on) current sensing input(+). PGOOD 20 O Powergood signal open drain output. PGOOD goes high when VDDQ output voltage is within the target range. Reference input for VDDQ. Connect to the midpoint of a resistor divider from VREF to GND. Add a capacitor for REFIN 8 I stable operation. SW 13 I/O High-side MOSFET gate driver return. RDS(on) current sensing input(–). S3 17 I S3 signal input. (See Table 1) S5 16 I S5 signal input. (See Table 1) TRIP 18 I Connect resistor to GND to set OCL at VTRIP/8. Output 10-μA current at room temperature, TC = 4700 ppm/°C. VBST 15 I High-side MOSFET gate driver bootstrap voltage input. Connect a capacitor from the VBST pin to the SW pin. VDDQSNS 9 I VDDQ output voltage feedback. Reference input for VTTREF. Also serves as power supply for VTTREF. VLDOIN 2 I Power supply input for VTT LDO. Connect VDDQ in typical application. VREF 6 O 1.8-V reference output. VTT 3 O VTT 2-A LDO output. Need to connect 10 μF or larger capacitance for stability. VTTGND 4 – Power ground for VTT LDO. VTTREF 5 O Buffered VTT reference output. Need to connect 0.22 μF or larger capacitance for stability. VTTSNS 1 I VTT output voltage feedback. V5IN 12 I 5-V power supply input for internal circuits and MOSFET gate drivers. Thermal – – Thermal pad. Connect directly to system GND plane with multiple vias. pad Copyright © 2010–2011, Texas Instruments Incorporated Submit Documentation Feedback 7 |
Аналогичный номер детали - TPS51916RUKT |
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Аналогичное описание - TPS51916RUKT |
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